Feb 25, 2007 / JD 990 50 hr Oil Change #1 S sandtopia New member Joined Aug 22, 2006 Messages 6 I am getting close to the 50 hr oil change. I was told to change out the break in oil at 50 hrs. I am considering putting in the AMSOIL synthetic 15-40 oil. Is this a good idea?
I am getting close to the 50 hr oil change. I was told to change out the break in oil at 50 hrs. I am considering putting in the AMSOIL synthetic 15-40 oil. Is this a good idea?
Feb 25, 2007 / JD 990 50 hr Oil Change #2 DieselPower Elite Member Joined Sep 30, 2006 Messages 2,756 Location Fairfield, PA Tractor JD 3020, JD 4230, JD 7410, JD 2440, MF 750, NH LS170 Not a problem and it's a good choice of oil. It should serve you well.